Opinion | Spike Lee’s flirtation with 9/11 trutherism isn’t a surprise. But it should be a warning.

“A person is smart,” Agent K (Tommy Lee Jones) tells Agent J (Will Smith) in a key conspiracy text, “Men in Black.” “People are dumb, panicky, dangerous animals, and you know it.” Conspiratorial thinking may be fun to play with on screen. But filmmakers concerned about the brains of their audience might want to consider whether to keep feeding that sort of dumb panic.

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